/**
 * Copyright (C) 2002-2015   The FreeCol Team
 * <p>
 * This file is part of FreeCol.
 * <p>
 * FreeCol is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 * <p>
 * FreeCol is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * <p>
 * You should have received a copy of the GNU General Public License
 * along with FreeCol.  If not, see <http://www.gnu.org/licenses/>.
 */

package net.sf.freecol.client.gui.plaf;

import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;

import javax.swing.JComponent;


/**
 * Utility methods for Look-and-Feel classes.
 */
public final class LAFUtilities
{

    private static final int AA_TEXT_SIZE = 16;

    /**
     * Modifies the given graphics object with any relevant
     * {@link JComponent#getClientProperty(Object) client property}
     * from the given component.
     *
     * Currently only <code>RenderingHints.KEY_TEXT_ANTIALIASING</code>
     * is supported. Antialiasing is enabled explicitly if the text size
     * is larger or equal to 16.
     *
     * @param g The graphics object to be updated.
     * @param c The component to get the properties from.
     */
    public static void setProperties( Graphics g, JComponent c )
    {
        Graphics2D g2 = ( Graphics2D ) g;
        if ( c.getFont( ).getSize( ) >= AA_TEXT_SIZE )
        {
            g2.setRenderingHint( RenderingHints.KEY_TEXT_ANTIALIASING,
                                 RenderingHints.VALUE_TEXT_ANTIALIAS_ON );
        }
        Object textAA = c.getClientProperty( RenderingHints.KEY_TEXT_ANTIALIASING );
        if ( textAA != null )
        {
            g2.setRenderingHint( RenderingHints.KEY_TEXT_ANTIALIASING, textAA );
        }
    }
}
